Automatic exhaust assembly for water pump

Abstract

The utility model relates to the related field of water pumps, in particular to an automatic exhaust assembly for a water pump, which comprises an exhaust funnel, an opening and closing ring, a sealing ball, a connecting rod, a timing controller, a fixed box, a guide ring, an exhaust port, a fixed ring, a spring, an adjusting bolt, a groove, a miniature electric push rod, a trapezoidal block, a convex block and the like. The timing controller controls opening and closing of the miniature electric push rod in a timing mode, the miniature electric push rod drives the protruding block and the trapezoid block to move when opened, the trapezoid block pushes the fixing ring to move downwards when moving, the fixing ring drives the connecting rod and the sealing ball to move the cabinet downwards, and therefore the inner ring of the opening and closing ring is opened. At the moment, liquid and gas in the water pump can penetrate through the inner ring of the opening and closing ring to be exhausted outwards through the exhaust port, so that automatic exhaust work of the water pump is achieved, the exhaust process is more automatic, the workload of manual operation is reduced, the situation that exhaust of the water pump is omitted is reduced, and practicability of the exhaust assembly is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump relevant field especially relates to a water pump is with automatic exhaust component. BACKGROUND

[0002] Water pump is a kind of mechanical equipment for transporting liquid or making liquid pressure, it passes through mechanical action and transmits energy to liquid, to realize the delivery, promotion or circulation of liquid, water pump can suck in air or produce air bubble in the running process, cause cavitation erosion phenomenon or influence normal working performance of water pump, therefore, need to set up exhaust component on water pump, to discharge air in water pump system by exhaust component, ensure that water pump can efficiently, stably operate.

[0003] The exhaust component of existing water pump is mostly manually opened and closed, i. e. when needing to exhaust, staff manually operates to open component, and staff manually operates to close component after exhausting, when the number of water pump needing maintenance is more, frequent manual operation increases the workload of staff, and it brings inconvenience for the exhaust work of water pump, and sometimes it can also appear to forget to exhaust some water pump, to possibly influence normal working performance of corresponding water pump, reduce the practicability of exhaust component. SUMMARY

[0004] Therefore, in order to solve the above insufficient, the utility model provides a water pump is with automatic exhaust component to solve the above technical problems.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme: a water pump is with automatic exhaust component, including exhaust cylinder, the exhaust cylinder is fixed with opening and closing ring, the lower portion of opening and closing ring is provided with the sealing ball that is consistent with it, the bottom of the inner ring of opening and closing ring is completely sealed by sealing ball, and the top end surface middle part of sealing ball is vertically installed with connecting rod;

[0006] The side surface of exhaust cylinder is provided with exhaust port for discharging gas in water pump;

[0007] Connecting rod passes through the inside of exhaust cylinder and then movably extends into the inside of fixed box installed at the top of exhaust cylinder, and the outside top of connecting rod is fixedly provided with fixed ring, and the outer diameter of connecting rod is less than the inner diameter of opening and closing ring;

[0008] Miniature electric push rod is installed in fixed box, and trapezoidal block is slidably installed in fixed box, the bottom end surface of trapezoidal block is the inclined structure that is consistent with the side surface of fixed ring, and the top end surface of trapezoidal block is installed with the protruding block connected with the piston rod of miniature electric push rod;

[0009] Fixed ring is connected with the top end surface of exhaust cylinder through spring, and spring is movably sleeved on connecting rod;

[0010] Miniature electric push rod is electrically connected with timing controller installed on the side surface of fixed box.

[0011] Preferably, the inner bottom of the exhaust port is provided with a sliding groove, a baffle is slidingly installed in the sliding groove, the length of the sliding groove in the up-down direction is greater than the length of the baffle in the up-down direction, the bottom end surface of the baffle is higher than the inner bottom end surface of the sliding groove when the sealing ball is in contact with the opening and closing ring, the end of the baffle close to the connecting rod is provided with a transmission rod, and the end of the transmission rod away from the baffle is connected to the connecting rod after penetrating through the inner side of the exhaust port.

[0012] Preferably, the inner side of the exhaust cylinder is provided with a guide ring, the inner ring of the guide ring is slidingly connected with the connecting rod, and the top end surface of the guide ring is lower than the inner bottom of the exhaust port.

[0013] Preferably, the inner top of the exhaust cylinder is fixedly embedded with an O-shaped sealing ring, and the inner ring of the O-shaped sealing ring is in contact with the side surface of the connecting rod.

[0014] Preferably, the inner bottom of the opening and closing ring is provided with an arc-shaped groove, and a silica gel pad is attached to the inner side of the arc-shaped groove, and the bottom end surface of the silica gel pad is in contact with the outer top of the sealing ball.

[0015] Preferably, the top end surface of the fixed box is provided with an adjusting bolt in threaded connection therewith, the adjusting bolt is movably inserted into the groove provided in the top end surface of the connecting rod after penetrating through the top end surface of the fixed box, and the bottom outer diameter of the adjusting bolt is smaller than the inner diameter of the groove.

[0016] The utility model discloses the beneficial effect of:

[0017] The utility model discloses a timing control opening and closing micro -electric push rod through timing controller, and micro -electric push rod drives the convex block and trapezoidal piece to move when opening, and trapezoidal piece promotes fixed ring to move down when moving, and fixed ring drives connecting rod and sealing ball to move down cabinet, thereby the inner ring of opening and closing ring is opened, when the liquid and gas in water pump can pass through the inner ring of opening and closing ring and go out to the outside through exhaust port, to realize the automatic exhaust work of water pump, and its exhaust process is more automatic, reduces the workload of manual operation, and reduces the situation of missing water pump exhaust, provides the practicality of exhaust assembly. ACCOUT OF DRAWINGS

[0018] Figure 1 It is the exhaust assembly front view cross section structure schematic diagram of the utility model discloses;

[0019] Figure 2 It is the connecting rod connecting structure schematic diagram of the utility model discloses;

[0020] Figure 3 It is the exhaust assembly structure schematic diagram of the utility model discloses;

[0021] Figure 4 It is the Figure 1 It is the structure enlarged schematic diagram of A place in the utility model discloses;

[0022] Wherein: exhaust cylinder-1, open and close ring-2, sealing ball-3, connecting rod-4, timing controller-5, fixed box-6, guide ring-7, exhaust port-8, chute-9, baffle-10, transmission rod-11, fixed ring-12, spring-13, O-shaped sealing ring-14, adjusting bolt-15, recess-16, arc-shaped groove-17, silica gel pad-18, micro electric push rod-19, trapezoidal block-20, protruding block-21. DETAILED DESCRIPTION

[0023] In order to further explain the technical scheme of the utility model, the following specific embodiments are described in detail.

[0024] As shown in Figure 1 The utility model provides an automatic exhaust assembly for water pump, including exhaust cylinder 1,

[0025] As shown in Figures 1 to 4 In the embodiment, the open and close ring 2 is horizontally fixed in the exhaust cylinder 1, and the sealing ball 3 is arranged below the open and close ring 2 and attached to the open and close ring 2, the bottom of the inner ring of the open and close ring 2 is completely sealed by the sealing ball 3, and the top end surface of the sealing ball 3 is vertically fixedly installed with the connecting rod 4 in the middle part,

[0026] The side surface of the exhaust cylinder 1 is provided with the exhaust port 8 for discharging the gas in the water pump,

[0027] The connecting rod 4 is movably inserted into the inside of the fixed box 6 fixedly locked at the top of the exhaust cylinder 1, the outside top of the connecting rod 4 is fixedly sleeved with the fixed ring 12, and the outer diameter of the connecting rod 4 is smaller than the inner diameter of the open and close ring 2,

[0028] The micro electric push rod 19 is fixedly locked on the inner wall of the fixed box 6, and the trapezoidal block 20 is slidably installed in the fixed box 6, the trapezoidal block 20 can slide horizontally along the inside of the fixed box 6, the bottom end surface of the trapezoidal block 20 is an inclined structure attached to the side surface of the fixed ring 12, so as to realize the downward movement of the fixed ring 12 in the moving process of the trapezoidal block 20, and the top end surface of the trapezoidal block 20 is vertically installed with the protruding block 21 connected with the piston rod of the micro electric push rod 19,

[0029] The fixed ring 12 is connected with the top end surface of the exhaust cylinder 1 through the spring 13, the spring 13 is movably sleeved on the connecting rod 4, so that the fixed ring 12 is upwardly reset by the elastic force of the spring 13,

[0030] The micro electric push rod 19 is electrically connected with the timing controller 5 installed on the side surface of the fixed box 6,

[0031] In the embodiment, the chute 9 is arranged at the inside bottom of the exhaust port 8, the baffle 10 is slidably installed in the chute 9, and the baffle 10 is used for sealing the inside of the exhaust port 8 to reduce the entry of external dust and impurities into the exhaust cylinder 1,

[0032] The length of the chute 9 in the up-down direction is greater than the length of the baffle 10 in the up-down direction, and the bottom end surface of the baffle 10 is higher than the inner bottom end surface of the chute 9 when the sealing ball 3 is attached to the opening and closing ring 2. The end of the baffle 10 close to the connecting rod 4 is provided with a transmission rod 11, and the end of the transmission rod 11 away from the baffle 10 is fixedly connected to the connecting rod 4 through the inner side of the exhaust port 8;

[0033] The inner side of the exhaust cylinder 1 in the embodiment is provided with a guide ring 7, the inner ring of the guide ring 7 is slidingly connected to the connecting rod 4, and the top end surface of the guide ring 7 is lower than the inner bottom of the exhaust port 8;

[0034] The inner side top of the exhaust cylinder 1 in the embodiment is fixedly embedded with an O-shaped sealing ring 14, the inner ring of the O-shaped sealing ring 14 is attached to the side surface of the connecting rod 4, and the O-shaped sealing ring 14 in the embodiment is made of silica gel material, which improves the sealing performance of the connecting rod 4 connected to the exhaust cylinder 1;

[0035] The inner bottom of the opening and closing ring 2 in the embodiment is provided with an arc-shaped groove 17, and the inner side of the arc-shaped groove 17 is attached with a silica gel pad 18, the bottom end surface of the silica gel pad 18 is attached to the outer top of the sealing ball 3, which improves the sealing performance and stability of the sealing ball 3 connected to the opening and closing ring 2, and reduces the leakage of liquid in the water pump;

[0036] The top end surface of the fixed box 6 in the embodiment is provided with an adjusting bolt 15 which is screwed with the fixed box 6, the adjusting bolt 15 is movably inserted into the groove 16 provided in the top end surface of the connecting rod 4 after penetrating the top end surface of the fixed box 6, the bottom outer diameter of the adjusting bolt 15 is smaller than the inner diameter of the groove 16, which facilitates the rotation of the adjusting bolt 15 to press against the inner bottom of the groove 16, thereby extruding the connecting rod 4 downward to complete the manual operation of exhaust, so that the water pump can still exhaust when the micro electric push rod 19 or the timing controller 5 is damaged;

[0037] Specifically, during use, the exhaust cylinder 1 is installed at the high point or the place where air is easy to accumulate of the water pump to ensure that air can be smoothly exhausted, and the timing controller 5 is connected with an external power supply, the opening and closing time of the micro electric push rod 19 is controlled through the timing controller 5, and the water inlet end and the water outlet end of the water pump can be provided with corresponding electromagnetic valves, and the electromagnetic valves of the water inlet end and the water outlet end of the water pump are also electrically connected with the timing controller 5;

[0038] When the preset time of the timing controller 5 is reached, the electromagnetic valve at the water pump outlet is closed, the micro electric push rod 19 pushes the protruding block 21 to drive the trapezoidal block 20 to move horizontally, the trapezoidal block 20 pushes the fixed ring 12 to move downward, the fixed ring 12 drives the connecting rod 4 and the sealing ball 3 to move downward, and the fixed ring 12 extrudes the spring 13 to contract, the connecting rod 4 drives the baffle 10 to move downward through the transmission rod 11 to open the exhaust port 8, and the sealing ball 3 is separated from the opening and closing ring 2 when moving downward, at this time, the opening and closing ring 2 is opened, the water and gas in the water pump pass through the exhaust cylinder 1, the opening and closing ring 2 and the exhaust port 8 to be discharged outward, so that the water pump is exhausted, after the exhaust is completed, the fixed ring 12, the connecting rod 4 and the sealing ball 3 are moved upward to reset under the elastic force of the spring 13, and the baffle 10 is moved upward to seal the exhaust port 8, and the sealing ball 3 seals the inside of the opening and closing ring 2, at this time, the water in the water pump cannot be discharged, and in the embodiment, a pressure sensor and a liquid level sensor can be installed in the water pump to detect the water flow condition of the water pump, and when an abnormal chamber is detected, the micro electric push rod 19 is directly controlled by the timing controller 5 to exhaust the inside of the water pump.

[0039] The above only provides preferred examples of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic exhaust assembly for a water pump, comprising an exhaust cylinder; characterized in that a sealing ball is arranged below the opening and closing ring and completely seals the bottom of the inner ring of the opening and closing ring, and a connecting rod is vertically arranged in the middle of the top end surface of the sealing ball; an exhaust port for discharging gas in the water pump is arranged on the side surface of the exhaust cylinder; the connecting rod passes through the inner side of the exhaust cylinder and extends into the inner side of a fixed box arranged on the top of the exhaust cylinder, a fixing ring is fixedly arranged on the outer top of the connecting rod, and the outer diameter of the connecting rod is smaller than the inner diameter of the opening and closing ring; a micro electric push rod is arranged in the fixed box, a trapezoidal block is slidingly arranged in the fixed box, the bottom end surface of the trapezoidal block is an inclined structure that is in close contact with the side surface of the fixing ring, and a protrusion connected with the piston rod of the micro electric push rod is arranged on the top end surface of the trapezoidal block; the fixing ring is connected to the top end surface of the exhaust cylinder through a spring, and the spring is movably arranged on the connecting rod; the micro electric push rod is electrically connected with a timing controller arranged on the side surface of the fixed box.

2. The automatic air vent assembly for a water pump according to claim 1, wherein: a sliding groove is arranged on the inner bottom of the exhaust port, a baffle is slidingly arranged in the sliding groove, the length of the sliding groove in the up-down direction is greater than the length of the baffle in the up-down direction, the bottom end surface of the baffle is higher than the inner bottom end surface of the sliding groove when the sealing ball is in close contact with the opening and closing ring, a transmission rod is arranged on one end of the baffle close to the connecting rod, and the other end of the transmission rod is connected to the connecting rod after passing through the inner side of the exhaust port.

3. The automatic air vent assembly for a water pump of claim 1, wherein: a guide ring is arranged on the inner side of the exhaust cylinder, the inner ring of the guide ring is slidingly connected with the connecting rod, and the top end surface of the guide ring is lower than the inner bottom of the exhaust port.

4. The automatic air vent assembly for a water pump of claim 1, wherein: an O-shaped sealing ring is fixedly embedded on the inner top of the exhaust cylinder, and the inner ring of the O-shaped sealing ring is in close contact with the side surface of the connecting rod.

5. The automatic vent assembly of claim 1, wherein: an arc-shaped groove is arranged on the inner bottom of the opening and closing ring, a silica gel pad is attached to the inner side of the arc-shaped groove, and the bottom end surface of the silica gel pad is in close contact with the outer top of the sealing ball.

6. The automatic vent assembly of claim 1, wherein: an adjusting bolt is arranged on the top end surface of the fixed box in threaded connection, the adjusting bolt extends into a groove arranged on the top end surface of the connecting rod after passing through the top end surface of the fixed box, and the bottom outer diameter of the adjusting bolt is smaller than the inner diameter of the groove.

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